package com.sjr.easy.chat.service;

import com.sjr.easy.chat.model.Contact;

import java.util.List;

public interface ContactService {

    void addContact(Contact contact);


    Contact getContact(Long userId, Long contactUserId);


    List<Contact> selectContactsListByUserId(Long userId);


    void deleteByIdList(List<Long> idList);
}
